It is undated. The book has 10 pages and is 12.5cm x 10cm.
British Railways Board - Codes To Be Used In Railway Messages (E19)
1:87 HO Scale Circuit Board Easy to Install Universal HO Trains Circuit Board
1:87 HO Scale PCB Board Easy to Install Universal with Light
1:87 HO Scale PCB Board Easy to Install Universal with Light and Sound HO Scale
ESU Loksound 51998 Adapter Board, 21MTC to Next18
1969,preparation and working of freight trains, operating department, BR board
